
Type cd MicrosoftKB928080 at the command prompt, and then press ENTER.Ĩ. Type cd\ at the command prompt, and then press ENTER.ħ. Click Start, click on Run, type cmd and then press Enter.Ħ. When you receive the "2 Files unzipped successfully" message, click OK, and then click Close.ĥ. In the Security Warning dialog box, click Run, and then click Yes to accept the license agreement.Ĥ. When the download is complete, double-click the MSKB928080 file on the desktop. When you receive the File Download dialog box, click Save. Click the Download the Software Licensing System Reset Tool package now link to start the download. Else, all the programs, listed in the box will be uninstalled.ĭownload the Software Licensing System Reset Tool package nowġ. NOTE: Make sure that only Microsoft Flight Simulator X is selected and nothing else. Click on Microsoft Flight Simulator X and then click on Remove. A window will appear with the list of multiple programs installed on your system.Ħ. At the bottom of All Programs, locate and select Windows Install Clean Up.ĥ. After the installation is complete then click on Start and then click on All ProgramsĤ. Follow the on-screen instructions to install the Windows Installer Clean up utility.ģ. Click on Run and then click on Run again.Ģ. Install Windows Installer Clean up UtilityĬlick on the link given below and click on Run.ġ. To resolve this, please follow these steps.

In this case, you will receive another error message that is followed by a 1603 installer error message.

In most cases, you experience a setup failure in the Setup program that is associated with registering fonts. John, the 1722 error message is a general installer error message that states that a system level failure has occurred. Please be assured that I will try my best to resolve the issue and work with you until it gets resolved. However, now while installing the game, you receive 1722 error message followed by 1603 error message. I appreciate your efforts and patience in trying the troubleshooting steps to resolve it. Thank you for your reply and update on the issue.

I had this same problem some time ago and got in touch with microsoft directly, here is their response - it worked for me, good luck.
